Synnefo

wheezy: Rename depricated HttpRequest attribute

From django docs:
"""
HttpRequest.raw_post_data renamed to HttpRequest.body

This attribute was confusingly named HttpRequest.raw_post_data, but it
actually provided the body of the HTTP request. It’s been renamed to...

wheezy: fix _patch_resolve to comply with Django

Class RegexURLPattern doesn't contain `_get_callback' method any more
and resolve the callback when we try to retrieve it.

wheezy: is_hop_by_hop has been removed from Django

Implement our own is_hop_by_hop function.

snf-django: Add missing import

cyclades: Mock vm removal if creation fails

In case creating a VM fails before the OP_INSTANCE_CREATE job is
enqueued in Ganeti, the VM and its NICs must be deleted, and the
resources must be released from Quotaholder, which is exactly what is
done when a VM is deleted from Ganeti. Instead of duplicating the code,...